TPS657120

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS657120 SLVSBO3A – DECEMBER 2013 – REVISED DECEMBER 2015 TPS657120 PMU for Baseband and RF-PA Power 1 Device Overview 1.1 Features 1 3 Step-Down Converters: – VIN Range From 2.8 V to 5.5 V – Power Save Mode at Light Load Current – Output Voltage Accuracy in PWM Mode ±2% – Typical 16-μA Quiescent Current per DCDC1 and DCDC2 Converter – Typical 26-μA Quiescent Current for DCDC3 Converter – Dynamic Voltage Scaling – 100% Duty Cycle for Lowest Dropout 2 LDOs: – 2 × 10-mA Output Current – Low Noise RF-LDOs – Output Voltage Range 1.2 V to 3.4 V – 32-μA Quiescent Current – Pre-Regulation Support by Separate Power Inputs – ECO mode – VIN Range of LDOs: LDO1: 2.0 V to 5.5 V LDO2: 2.8 V to 5.5 V 2 GPIOs Thermal Shutdown Bypass Switch – Used with DCDC3 Powering an RF-PA Interface – 26 MHz-MIPI RFFE Interface Undervoltage Lockout Flexible Power-Up and Power-Down Sequencing 2.5-mm × 2.3-mm DSBGA Package with 0.4-mm Pitch 1.2 Applications Data Cards Smartphones 1.3 Description The TPS657120 provides three configurable step-down converters with up to 2-A output current.This device also has 2 LDO regulators. LDO1 can be supplied from either the input voltage directly or from a pre-regulated supply such as DCDC1 or DCDC2. The input voltage to LDO2 is used as an analog supply input and therefore must be tied to the input voltage at the same voltage level with VINDCDC1/2 a...